Mazda will stop producing vehicles with its signature rotary engines in June next year because of poor sales and the costs of meeting emissions standards.

The firm said the latest edition of the RX-8, the only model in its line-up with the rotary engine, will go on sale on November 24, targeting sales of 1,000 vehicles, but will end production in June 2012.

Mazda, which introduced its first rotary engine car in 1967, is the only car maker in the world that makes vehicles with rotary engines. They have fewer moving parts and are quieter than comparable piston engines but are more expensive to manufacture and consume more fuel.